Tricalcium aluminate
      Steele F A, Davey W P
      Journal of the American Chemical Society 51 (1929) 2283-2293
      The crystal structure of tricalcium aluminate
      _database_code_amcsd 0017746

      CELL PARAMETERS:    7.6240   7.6240   7.6240   90.000   90.000   90.000
      SPACE GROUP: Pm3m      
      X-RAY WAVELENGTH:     1.541838
      Cell Volume:    443.148
      Density (g/cm3):      3.037
      MAX. ABS. INTENSITY / VOLUME**2:      30.66035753    
      RIR:      3.287
      RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
               2-THETA      INTENSITY    D-SPACING   H   K   L   Multiplicity
                11.61          1.35        7.6240    1   0   0         6
                16.44          1.40        5.3910    1   1   0        12
                28.68          4.60        3.1125    2   1   1        24
                33.24        100.00        2.6955    2   2   0        12
                35.32          7.93        2.5413    2   2   1        24
                37.30          3.18        2.4109    3   1   0        24
                39.19          1.29        2.2987    3   1   1        24
                41.01         24.34        2.2009    2   2   2         8
                42.76          6.72        2.1145    3   2   0        24
                47.72         46.23        1.9060    4   0   0         6
                52.30          1.58        1.7491    3   3   1        24
                59.39         25.57        1.5562    4   2   2        24
                62.08          1.99        1.4952    4   3   1        48
                65.99          3.69        1.4157    4   3   2        48
                69.78         19.23        1.3477    4   4   0        12
                71.02          1.60        1.3272    5   2   2        24
                79.51         11.43        1.2055    6   2   0        24
                84.25          2.09        1.1494    6   2   2        24
                88.94          4.99        1.1004    4   4   4         8
================================================================================
       XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
  For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.